Add CouchDB u1db backend.

1 files changed, 5 insertions, 15 deletions

diff --git a/backends/openstack.py b/backends/openstack.py
index f8563d81..5f2a2771 100644
--- a/backends/openstack.py
+++ b/backends/openstack.py
@@ -1,5 +1,4 @@
 from u1db import errors
-from u1db.backends import CommonBackend
 from u1db.remote.http_target import HTTPSyncTarget
 from swiftclient import client
 from soledad.backends.objectstore import ObjectStore
@@ -10,16 +9,15 @@ class OpenStackDatabase(ObjectStore):
 
     def __init__(self, auth_url, user, auth_key, container):
         """Create a new OpenStack data container."""
-        super(OpenStackDatabase, self)
         self._auth_url = auth_url
         self._user = user
         self._auth_key = auth_key
         self._container = container
-        self.set_document_factory(LeapDocument)
         self._connection = swiftclient.Connection(self._auth_url, self._user,
                                                   self._auth_key)
         self._get_auth()
-        self._ensure_u1db_data()
+        # this will ensure transaction and sync logs exist and are up-to-date.
+        super(OpenStackDatabase, self)
 
     #-------------------------------------------------------------------------
     # implemented methods from Database
@@ -33,6 +31,7 @@ class OpenStackDatabase(ObjectStore):
         """
         try:
             response, contents = self._connection.get_object(self._container, doc_id)
+            # TODO: change revision to be a dictionary element?
             rev = response['x-object-meta-rev']
             return self._factory(doc_id, rev, contents)
         except swiftclient.ClientException:
@@ -51,21 +50,12 @@ class OpenStackDatabase(ObjectStore):
             results.append(doc)
         return (generation, results)
 
-    def put_doc(self, doc):
-        if doc.doc_id is None:
-            raise errors.InvalidDocId()
-        self._check_doc_id(doc.doc_id)
-        self._check_doc_size(doc)
-        # TODO: check for conflicts?
+    def _put_doc(self, doc, new_rev):
         new_rev = self._allocate_doc_rev(doc.rev)
+        # TODO: change revision to be a dictionary element?
         headers = { 'X-Object-Meta-Rev' : new_rev }
         self._connection.put_object(self._container, doc_id, doc.get_json(),
                                     headers=headers)
-        new_gen = self._get_generation() + 1
-        trans_id = self._allocate_transaction_id()
-        self._transaction_log.append((new_gen, doc.doc_id, trans_id))
-        self._set_u1db_data()
-        return new_rev
 
     def get_sync_target(self):
         return OpenStackSyncTarget(self)